| Reaction | |
|---|
| Acute coronary syndrome (22) | |
| Angina (88) | |
| Anti-neutrophilic cytoplasmic antibody (ANCA) vasculitis (angiitis) (3) | |
| Aortic dissection (6) | |
| Aortitis (2) | |
| Arrhythmias (173) | |
| Arterial occlusion (14) | |
| Arterial thromboembolism (5) | |
| Arteriosclerosis (2) | |
| Asystole (16) | |
| Atrial fibrillation (151) | |
| Atrial flutter (13) | |
| Atrioventricular block (81) | |
